Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://cructi.ru/pbw?utm_term=shiny+charm+qr+code PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4446152/normal_5fd0aa647b1c7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4408170/normal_60bef4bf384cc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4461744/normal_60468aa79268c.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4454681/normal_5fdd7257ecc70.pdfIn PDF document text
  • https://static.s123-cdn-static-d.com/uploads/4416143/normal_60b298a4e774e.pdfIn PDF document text
  • https://nazafusi.weebly.com/uploads/1/3/5/2/135297870/e5c539b84.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4379236/normal_5fff0600e195a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4414860/normal_60650b245112c.pdfIn PDF document text
  • https://bukalejobiwasek.weebly.com/uploads/1/3/1/4/131409200/nenezi_xowotabukifo_kozotozu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4490739/normal_60b9ce984b2f1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403938/normal_603dcfe2d7e9d.pdfIn PDF document text
  • https://lonopenofof.weebly.com/uploads/1/3/4/8/134895818/8ada16f08d.pdfIn PDF document text
  • https://mabaxezo.weebly.com/uploads/1/3/4/7/134766945/2731471.pdfIn PDF document text
  • https://nilumasukezag.weebly.com/uploads/1/3/4/4/134401113/fizolero_dewotugoxik_vadalajapoj.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/272a090f-1f22-4844-a673-a776a1d7b9cd/what_is_the_difference_between_the_ti_84_and_ti_84_plus_ce.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/140d3775-42f4-4d42-a68e-8cc7f541660c/7502547416.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1289a007-aed8-4b0e-aa9e-774e739793ed/kubuxalu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7f6023fb-1a16-45e7-8d75-0ef8c2d7a9ff/diary_of_a_wimpy_kid_movie_dog_days_cast.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5a7d1e07-5c82-4389-aaa4-fa269c80e70a/how_to_deal_with_being_sad_for_no_reason.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0c13d035-7e7c-4312-b222-66e4df3546f6/bass_tracker_boat_parts.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cb8b3492-be6e-47da-8042-cef049e48401/74853374700.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a961b921-2f05-4f6c-a8c2-37fc3465c33c/download_contoh_surat_lamaran_kerja_dan_cv.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8136bb5d-f60c-444b-8c00-2c7e53f4a9aa/is_the_comptia_network_exam_hard.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1dc680c0-286e-48e2-a7bf-ac1345aff2e1/mosbys_drug_guide_for_nursing_students_with_2020_update_13th_edition.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://scripts.sil.org/OFLIn PDF document text

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